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20331057627 = 32103102121481
BaseRepresentation
bin10010111011110100…
…110101000111011011
31221110220110201221100
4102323310311013123
5313114222321002
613201233042443
71316552065326
oct227364650733
957426421840
1020331057627
118693396571
123b349b6423
131bc015ac1a
14dac2617bd
157ded6211c
hex4bbd351db

20331057627 has 24 divisors (see below), whose sum is σ = 29682624608. Its totient is φ = 13408675200.

The previous prime is 20331057611. The next prime is 20331057671. The reversal of 20331057627 is 72675013302.

20331057627 is a `hidden beast` number, since 20 + 3 + 3 + 1 + 0 + 5 + 7 + 627 = 666.

It is not a de Polignac number, because 20331057627 - 24 = 20331057611 is a prime.

It is a super-2 number, since 2×203310576272 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331057591 and 20331057600.

It is not an unprimeable number, because it can be changed into a prime (20331057727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935727 + ... + 957207.

Almost surely, 220331057627 is an apocalyptic number.

20331057627 is a deficient number, since it is larger than the sum of its proper divisors (9351566981).

20331057627 is a wasteful number, since it uses less digits than its factorization.

20331057627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22611 (or 22608 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 20331057627 in words is "twenty billion, three hundred thirty-one million, fifty-seven thousand, six hundred twenty-seven".

Divisors: 1 3 9 103 309 927 1021 3063 9189 21481 64443 105163 193329 315489 946467 2212543 6637629 19912887 21932101 65796303 197388909 2259006403 6777019209 20331057627